what is the estimated sum to 7.4 + 3.1 + 9.8
To find the estimated sum of 7.4 + 3.1 + 9.8, you can add the numbers together:
7.4 + 3.1 = 10.5
10.5 + 9.8 = 20.3
Therefore, the estimated sum is 20.3.
To find the estimated sum of 7.4 + 3.1 + 9.8, you simply need to add the three numbers together. Let's break it down step by step:
1. Start by adding the whole numbers together: 7 + 3 + 9 = 19
2. Next, add the decimal parts together: 0.4 + 0.1 + 0.8 = 1.3
Finally, combine the two results: 19 + 1.3 = 20.3
So, the estimated sum of 7.4 + 3.1 + 9.8 is approximately 20.3.